org.apache.olingo.server.api.uri.queryoption.apply.GroupByItem Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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*/
package org.apache.olingo.server.api.uri.queryoption.apply;
import java.util.List;
import org.apache.olingo.server.api.uri.UriResource;
/**
* Represents a grouping property.
* @see GroupBy
*/
public interface GroupByItem {
/**
* Gets the path.
* @return a (potentially empty) list of path segments (and never null
)
*/
List getPath();
/**
* Whether a nested rollup clause contains the special value '$all'.
* @return true
if '$all' has been given in rollup, false
otherwise
*/
boolean isRollupAll();
/**
* Gets the rollup.
* @return a (potentially empty) list of grouping items (and never null
)
*/
List getRollup();
}